New Exercise Bank Content Question 04-23c: The Andes Mining Company mines and ships copper ore. What method has the company's sales manager, Juanita Valdes, been using for forecasting sales?

A) Moving average method based on the last three years
B) Exponential smoothing method based on the last five years
C) Regression analysis method based on the last ten years
D) Seasonal adjustment method based on the last two years